diff options
Diffstat (limited to 'include/sound/ump.h')
| -rw-r--r-- | include/sound/ump.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/sound/ump.h b/include/sound/ump.h index 8a3ac97cd1d3..6f786b462f16 100644 --- a/include/sound/ump.h +++ b/include/sound/ump.h @@ -9,18 +9,30 @@ struct snd_ump_endpoint; struct snd_ump_block; +struct snd_ump_ops; struct snd_ump_endpoint { struct snd_rawmidi core; /* raw UMP access */ struct snd_ump_endpoint_info info; + const struct snd_ump_ops *ops; /* UMP ops set by the driver */ + struct snd_rawmidi_substream *substreams[2]; /* opened substreams */ + void *private_data; void (*private_free)(struct snd_ump_endpoint *ump); struct list_head block_list; /* list of snd_ump_block objects */ }; +/* ops filled by UMP drivers */ +struct snd_ump_ops { + int (*open)(struct snd_ump_endpoint *ump, int dir); + void (*close)(struct snd_ump_endpoint *ump, int dir); + void (*trigger)(struct snd_ump_endpoint *ump, int dir, int up); + void (*drain)(struct snd_ump_endpoint *ump, int dir); +}; + struct snd_ump_block { struct snd_ump_block_info info; struct snd_ump_endpoint *ump; @@ -39,6 +51,8 @@ int snd_ump_endpoint_new(struct snd_card *card, char *id, int device, int snd_ump_block_new(struct snd_ump_endpoint *ump, unsigned int blk, unsigned int direction, unsigned int first_group, unsigned int num_groups, struct snd_ump_block **blk_ret); +int snd_ump_receive(struct snd_ump_endpoint *ump, const u32 *buffer, int count); +int snd_ump_transmit(struct snd_ump_endpoint *ump, u32 *buffer, int count); /* * Some definitions for UMP |